"use strict";
let personZ = {
    icard: 2122107,
    name: "张可顺",
    age: 18,
    // sex:'男' ,
    isStudent: false,
    enteryTime: "2023-6-19",
    study: [{ name: "张可顺", age: 18 }],
    address: "徐州",
    sayhi: () => {
        return 'sda';
    }
};
// personZ.sayhi(4, "张可顺");
// personZ.icard = 5;//报错了 只读类型不能修改
//
let fruits = {
    name: "apple",
    price: 100,
};
const das = { age: "18" };
const dfdf = [23];
console.log(dfdf[0]);
